<div class="checkbox-group">
  <label ng-repeat="option in options" class="el-checkbox" ng-class="{ 'is-disabled': disabled }">
    <input type="checkbox" ng-model="option.checked"
      ng-value="option.value" ng-disabled="option.disabled" ng-click="toggleCheckbox(option)">
    {{ option.label }}
  </label>
</div>